Lonox Emission 92,000 BTU Furnace, 92.1% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow Application
Lonox Emission 92,000 BTU Furnace, 92.1% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow Application
Model: Goodman GKS90904CX

This is an Upflow unit. Learn about Upflow

To use LP fuel, this unit requires an LP Conversion Kit. See Accessories
The Goodman® GKS9 92.1% AFUE Single-Stage, Multi-Speed Upflow Gas Furnace features a patented aluminized-steel tubular heat exchanger and energy-efficient Hot Surface Ignition system. This furnace is run-tested for heating or combination heating/cooling applications. With a corrosion-resistant, painted steel cabinet, this gas furnace can be installed in a variety of locations. (Not intended for use in moblie homes.)
Standard Features
- Operates as a natural gas furnace out of the box, and can be easily converted to a propane furnace with optional propane conversion kit (see Accessories tab).
- Goodman Patented TuffTube™ dual-diameter tubular furnace heat exchanger with Lifetime Limited Warranty with online registration
- Single-stage combination redundant gas valve
- Furnace has a hot surface igniter with Norton Mini-igniter and patented adaptive learning control for maximum igniter life
- Energy-saving, quiet four-speed direct-drive furnace circulator blower motor
- Integrated Goodman electronic furnace control board with self-diagnostics, low-voltage terminal block
- Dual-certified for sealed combustion direct vent (2-pipe) or non-direct vent (1-pipe) applications. The direct vent furnace setup uses outside air for combustion which increases comfort and furnace energy efficiency.
- Easy-to-install top venting
- Quiet, single-speed furnace induced draft blower
Furnace Cabinet Features
- Heater's foil-faced insulation lines the heat exchanger
- Furnaces is designed for upflow installation but can be converted to horizontal left or right with a pressure switch kit
- Airtight solid bottom for side-return applications and easy-cut tabs for effortless removal in bottom air-inlet applications
- Coil and furnace fit flush for most installations
- All of these Goodman gas furnace models comply with California NOx emissions standards
Outstanding Warranty Protection
This furnace is covered by what we believe to be one of the best warranties in the indoor home comfort industry. In addition to covering the heat exchanger with a Lifetime Limited Warranty to the original, registered homeowner, if the heat exchanger fails during the first 10 years of ownership, we will replace the entire unit for as long as you own your home. This furnace also has a 10-Year Limited Parts Warranty on all functional parts. For a full description of all warranties applicable to this product, please review the consumer brochure or product warranty in the Documents section.
Enjoy free shipping on any accessories purchased with the Goodman GKS90904CX.
- Goodman GKS9 Spec Sheet(PDF, 751 KB)
- Goodman GKS9 Technical Information(PDF, 194 KB)
- Goodman GKS9 Installation Instructions(PDF, 896 KB)
- Goodman Furnace User Manual(PDF, 324 KB)
- Goodman GKS9 Brochure(PDF, 800 KB)
- Goodman GKS9 Warranty Information(PDF, 542 KB)
- Wire Gauge Sizes(PDF, 40.9 KB)
